RD-504

Sharp; Osaka

  • Year
  • 1966–1971
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 174922
    • alternative name: Hayakawa Electric Co.Ltd.

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Line / Batteries (any type) / 110; 200; 220; 240 / 6 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: RD-504 - Sharp; Osaka
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 12 x 3.75 x 9.25 inch / 305 x 95 x 235 mm
  • Notes
  • Sharp Model RD-504

    Two track, two-speed (1⅞ (4.75 cm/s) and 3¾ (9.5 cm/s) ips), all-transistor tape recorder (5" reels). Features: AC/DC automatic switch-over system. Built-in remote control switch at microphone; control switch can be operated while walking. Multiple forward-playback operation. RecordIng level meter. Lightweight plastic cabinet; convenient carrying handle. (MINGAY'S PRICE SERVICE)

  • Net weight (2.2 lb = 1 kg)
  • 7.7 lb (7 lb 11.2 oz) / 3.496 kg
  • Price in first year of sale
  • 90.00 AUS $
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Jouko Laukkanen. See "Data change" for further contributors.

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